3,387 results returned
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Title: Stanford Lands 2010, Index Map
Contributors:- Polygon data
- 2019
Summary: This polygon shapefile is an index to the 2010 aerial survey of the Stanford University Lands. Air Flight Services. (2019). Stanford Lands 2010, Index Map. Stanford Digital Repository. Available at: https://purl.stanford.edu/tw922wq4823 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: Stanford Campus 2010, Index Map
Contributors:- Polygon data
- 2019
Summary: This polygon shapefile is an index to the 2010 aerial survey of the Stanford University Campus.
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Title: California Air Resources Board GIS Maps & Data
Contributors:- Not specified
- 2013
Summary: The California Air Resources Board (ARB) GIS Maps and Data set is a collection of vector shapefiles, which contain data related to air quality management and monitoring within California. The ARB compiles the state's emissions inventory and performs air quality and emissions inventory special studies. This dataset contains ambiant air quality data and provides maps of areas that violate the state and national standards. ARB compiles these data in an effort to comply with standards set forth in the U.S. Clean Air Act. System requirements: Geographic Information Systems (GIS) software that reads ESRI shapefile format.
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Title: Kelp Canopy: Southern California, 2012
Contributors:- Polygon data
- 2013
Summary: This polygon shapefile is a thematic map representing mosaicked multi-spectral imagery targeting both exposed and submerged giant kelp beds along the Naval Air Systems Command (NAVAIR) Point Mugu Sea Range. The imagery used to create this classification was acquired at a spatial resolution of 0.3 meters using a Microsoft UltraCam-X digital camera acquiring in the red, green, blue and near-infrared bands. The image mosaic product used for the classification is a result of the resampling of the 0.3 meter data to 2 meter GSD. Surface kelp canopy and subsurface kelp classifications are seperate. The imagery was collected on October 14-16, November 13-14 and December 9-10, 2012. This dataset is complete at this time, although the user should note any omissions. The data are projected in California Teale Albers using North American Datum 1983. File reindexed to match CDFW kelp administrative kelp bed boundaries modified by changes to California Code of Regulations, Title 14, Section 165, effective April 1, 2014. This dataset is used to assess the extent of kelp resources along the Southern California coast (Point Loma to approximately 3.8 miles north of Point Conception) and includes the Channel Islands. Surface kelp canopy and subsurface kelp classifications are seperate. The data was collected and processed by Ocean Imaging under contract by the Naval Air Systems Command (NAVAIR). The user is cautioned against making direct comparisons between the various kelp surveys for the following reasons: (1)Timing of the survey is important, particularly with respect to growing season, conditions in the ocean, storms, and harvest levels preceding the dates of imagery collection. Season variability may account for differences in surveys which may not reflect a change in the bed's extent, productivity, or harvest level. (2) Statisical significance in change of area should be evaluated. To do this, a variance parameter is needed, which is obtained by repeated measurements. (3) Survey methods may not be consistent. Some method of calibration between the methods should be performed in order to insure a change of area is not due to survey instrumentation and not misinterpreted as a biological change. (4) An area where no kelp data are present may represent an area devoid of kelp, or may represent an area where kelp was not detected due to poor photo quality, missing photo coverage, or other issues with data collection and processing. Image coverage is extensive for the state, but the user is advised to consult the supplementary information for each year to determine whether imagery were acquired for an area of interest. California Department of Fish and Wildlife Marine Resources Region. (2013). Kelp Canopy: Southern California, 2012. California Department of Fish and Wildlife. Marine Resources Region. Available at: http://purl.stanford.edu/xk635rd3987. DISCLAIMER The user is cautioned against making direct comparisons between the various kelp surveys for the following reasons: (1)Timing of the survey is important, particularly with respect to growing season, conditions in the ocean, storms, and harvest levels preceding the dates of imagery collection. Season variability may account for differences in surveys which may not reflect a change in the bed's extent, productivity, or harvest level. (2) Statisical significance in change of area should be evaluated. To do this, a variance parameter is needed, which is obtained by repeated measurements. (3) Survey methods may not be consistent. Some method of calibration between the methods should be performed in order to insure a change of area is not due to survey instrumentation and not misinterpreted as a biological change. (4) An area where no kelp data are present may represent an area devoid of kelp, or may represent an area where kelp was not detected due to poor photo quality, missing photo coverage, or other issues with data collection and processing. Image coverage is extensive for the state, but the user is advised to consult the supplementary information for each year to determine whether imagery were acquired for an area of interest. Please cite the Originators in any reference to the data. NAVAIR and the California Department of Fish and Wildlife must be credited with the distribution of these data. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: Kelp Canopy: Southern California, 2011
Contributors:- Polygon data
- 2012
Summary: This polygon shapefile depicts the 2011 aerial kelp survey that was created from Digital Multi-Spectral Camera image files. The data was collected and processed by Ocean Imaging under contract by the Naval Air Systems Command (NAVAIR). This mosaicked multi-spectral imagery targeted giant kelp beds along the Naval Air Systems Command (NAVAIR) Point Mugu Sea Range. The area from Santa Monica Pier, Los Angeles county to Pt. Magu, Ventura county were not photographed. Some of the outer portions of kelp beds were cut off due to inadequate overlap in aerial surveys and these areas are noted in Grid Code 2. The imagery was collected on November 22 and December 07-08, 2011 from altitudes between 10,000 to 12,500 feet. Surveys were planned to coincide with periods of minimal change between high and low tides to avoid strong tidal induced currents. This dataset is complete, although the user should note any omissions. The data are projected in California Teale Albers using North American Datum 1983. File reindexed to match CDFW kelp administrative kelp bed boundaries modified by changes to California Code of Regulations, Title 14, Section 165, effective April 1, 2014. The dataset is used to assess the extent of kelp resources along the Southern California coast (Point Loma to two miles north of Gaviota Beach). The dataset was collected and created with the same camera system and processing software as the 2008 survey. Surface and subsurface kelp canopy imagery was collected under the same classification scheme. The user is cautioned to look for areas which appear truncated. The user is cautioned against making direct comparisons between the various kelp surveys for the following reasons: 1) Timing of the survey is important, particularly with respect to growing season, conditions in the ocean, storms, and harvest levels preceding the dates of survey photography. Seasonal variability may account for differences in surveys, which may not reflect a change in the bed's extent, productivity, or harvest level. 2) Statistical significance in change of area should be evaluated. To do this, a variance parameter is needed, which is obtained by repeated measurements. 3) Survey methods may not be consistent. Some method of calibration between the methods needs to be performed in order to insure a change of area is not due to survey instrumentation and not misinterpreted as a biological change. 4) An area where no kelp data are present may represent an area devoid of kelp, or may represent an area where kelp was not detected due to poor photo quality, missing photo coverage, or other issues with data collection and processing. Photo coverage is extensive for the state, but the user is advised to consult the supplementary information for each year to determine whether photographs were acquired for an area of interest. California Department of Fish and Wildlife Marine Resources Region. (2012). Kelp Canopy: Southern California, 2011. California Department of Fish and Wildlife. Marine Resources Region. Available at: http://purl.stanford.edu/pq743qn0702. Please cite the Originators in any reference to the data. NAVAIR and the California Department of Fish and Wildlife must be credited with the distribution of these data. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: Kelp Canopy: California, 2009
Contributors:- Polygon data
- 2010
- Resources Legacy Fund Foundation
- Marine Protected Areas Monitoring Enterprise
- Ocean Imaging, Corp
- California. Department of Fish and Wildlife
- Naval Air Systems Command (NAVAIR)
- MBC Applied Environmental Sciences
Summary: The data for this polygon shapefile was collected and created with the same camera system and processing software as the 2008 survey. Surface and subsurface kelp canopy imagery was collected and processed with separate classification schemes. The shapefile was created from Digital Multi-Spectral Camera image files. The data was collected and processed by Ocean Imaging under contract by the Resources Legacy Fund Foundation (RLFF) for the Marine Protected Areas Monitoring Enterprise. This dataset represents the 2009 aerial kelp survey. The imagery was collected on October 01, 2009 from an altitude of 12,500 feet. Surveys were planned to coincide with periods of minimal change between high and low tides to avoid strong tidal induced currents. This coverage is complete, although the user should note any omissions. The data are projected in California Teale Albers using North American Datum 1983. File reindexed to match CDFW kelp administrative kelp bed boundaries modified by changes to California Code of Regulations, Title 14, Section 165, effective April 1, 2014. This dataset was developed for the Marine Protected Areas Monitoring Enterprise to assess the extent of kelp canopy resources along the North Central California coast (Pigeon Point to Alder Creek). California Department of Fish and Wildlife Marine Resources Region. (2010). Kelp Canopy: California, 2009. California Department of Fish and Wildlife. Marine Resources Region. Available at: http://purl.stanford.edu/zd395qv1073. Please cite the Originators in any reference to the data. For the north central data: The Resources Legacy Fund Foundation (contract), the Marine Protected Areas Monitoring Enterprise (coordination), Ocean Imaging (data collection and processing), The California Department of Fish and Game (database management). For the Santa Barbara and San Nicolas Islands data: NAVAIR (contract), Ocean Imaging (data collection and processing, The California Department of Fish and Game (database management). For the southern California mainland section: The Central and Region 9 Kelp Consortiums (contract) , MBC Applied Environmental Sciences (data collection and processing), The California Department of Fish and Game (database management). This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: [Outline map of the world] : route round the world flight
Contributors:- World maps
- 1924
Summary: Includes tables of divisions and supply bases.; "Base: U.S. Hydrographic Chart."; "Rep. sect. Nov 1924 S.5.No.249" 41 x 52 centimeters
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Title: Landing facilities and proposed airway system in the United States, 1924
Contributors:- Not specified
- 1924
Summary: Shows government or Army landing fields, Navy or Marine landing fields, aerial mail landing fields, municipal landing fields, commercial landing fields, emergency or unimproved landing fields, seaplane landing sites, and the routes of the proposed airway system.; Includes index of 76 landing fields.; "14583."; "4894." on sheet 76 x 112 centimeters
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Title: Malaya
Contributors:- Image data
- 1965
Summary: Relief shown by contours. Map locates chinese cemeteries and muslim burial grounds. Includes location diagram. "RSO grid." In lower right margin: "Printed by 84 Survey Squadron RE 2.900/11/65/F29."
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Title: Air Monitoring Stations: California, 2002-2004
Contributors:- Point data
- 2013
- Stephen P. Teale Data Center (Calif.).
- California. Air Resources Board. Planning and Technical Support Division
Summary: This point shapefile represents all air monitoring stations active in California from 2001 until 2003. The data within the shapefile was obtained from the Air Resources Board's Ambient Air Quality Data Summaries (ADAM) database. Developed for the California Air Resources Board (ARB) GIS data library. Teale Data Center GIS Lab. California Air Resources Board. (2013). Air Monitoring Stations: California, 2002-2004. California Air Resources Board. Available at: http://purl.stanford.edu/bs277kf6370. ADAM is the official database that stores regulatory air quality data for ARB. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: Air Monitoring Stations: California, 2001-2003
Contributors:- Point data
- 2013
- Stephen P. Teale Data Center (Calif.).
- California. Air Resources Board. Planning and Technical Support Division
Summary: This point shapefile represents all air monitoring stations active in California from 2001 until 2003. The data within the shapefile was obtained from the Air Resources Board's Ambient Air Quality Data Summaries (ADAM) database. Developed for the California Air Resources Board (ARB) GIS data library. Teale Data Center GIS Lab. California Air Resources Board. (2013). Air Monitoring Stations: California, 2001-2003. California Air Resources Board. Available at: http://purl.stanford.edu/zv296hf8888. ADAM is the official database that stores regulatory air quality data for ARB. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: Hydrogen Sulfide: California State Area Designations, 2008-2011
Contributors:- Polygon data
- 2011
- Stephen P. Teale Data Center (Calif.).
- California. Air Resources Board. Planning and Technical Support Division
Summary: This polygon shapefile contains area designations of hydrogen sulfide levels in California as required under Health and Safety Code section 39608. The designations are consistent with the criteria established in the California Code of Regulations, title 17, sections 70300 through 70306, and Appendices 1 through 3, thereof. There are four possible designation categories: attainment, nonattainment, nonattainment-transitional, and unclassified. Nonattainment areas are geographic areas which have not met National Ambient Air Quality Standards for hydrogen sulfide air pollution. The State area designations are reviewed annually and approved by the State Air Resources Board. Projection: Teale Albers, NAD83 This shapefile can be used to identify hydrogen sulfide pollution area designations from the prior three-year period (2008-2011) in accordance with the California State Ambient Air Quality Standard. Teale Data Center GIS Lab. California Air Resources Board. (2011). Hydrogen Sulfide: California State Area Designations, 2008-2011. California Air Resources Board. Available at: http://purl.stanford.edu/gg486xq1023. The State area designations are reviewed annually and approved by the State Air Resources Board. In 2011, staff did not propose any changes to the State hydrogen sulfide designations. Updated: 02/22/11 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: Carbon Monoxide: California State Area Designations, 2008-2011
Contributors:- Polygon data
- 2011
- California. Air Resources Board. Planning and Technical Support Division
- United States. Environmental Protection Agency
Summary: This polygon shapefile contains area designations of carbon monoxide (CO) levels in California as required under Health and Safety Code section 39608. The designations are consistent with the criteria established in the California Code of Regulations, title 17, sections 70300 through 70306, and Appendices 1 through 3, thereof. There are four possible designation categories: attainment, nonattainment, nonattainment-transitional, and unclassified. Nonattainment areas are geographic areas which have not met National Ambient Air Quality Standards for Carbon Monoxide air pollution. In addition, CO nonattainment areas have been assigned a classification, commensurate with the severity of their air quality problem, under Health and Safety Code section 40921.5. The State area designations are reviewed annually and approved by the State Air Resources Board. Projection: Teale Albers, NAD83 This shapefile can be used to identify state carbon monoxide pollution area designations from the prior three-year period (2008-2011) in accordance with the California State Ambient Air Quality Standard. U.S. Environmental Protection Agency. (2011). Carbon Monoxide: California State Area Designations, 2008-2011. California Air Resources Board. Available at: http://purl.stanford.edu/st637td0472. The State area designations are reviewed annually and approved by the State Air Resources Board. In 2011, staff did not propose any changes to the State carbon monoxide designations. Updated: 02/22/11 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: Visibility Reducing Particles: California State Area Designations, 2008-2011
Contributors:- Polygon data
- 2011
- Stephen P. Teale Data Center (Calif.).
- California. Air Resources Board. Planning and Technical Support Division
Summary: This polygon shapefile shows area designations in California as required under Health and Safety Code section 39608 for ozone, nitrogen dioxide, sulfur dioxide, lead, and visibility reducing particles. Visibility-reducing particles consist of suspended particulate matter, which is a complex mixture of tiny particles that consists of dry solid fragments, solid cores with liquid coatings, and small droplets of liquid. These particles vary greatly in shape, size and chemical composition, and can be made up of many different materials such as metals, soot, soil, dust, and salt. The designations are consistent with the criteria established in the California Code of Regulations, title 17, sections 70300 through 70306, and Appendices 1 through 3, thereof. There are three possible designation categories for lead (attainment, nonattainment, and unclassified), and there are four possible designation categories for ozone, nitrogen dioxide, sulfur dioxide, and visibility reducing particles (attainment, nonattainment, nonattainment-transitional, and unclassified). In addition, ozone nonattainment areas have been assigned a classification, commensurate with the severity of their air quality problem, under Health and Safety Code section 40921.5. The State area designations are reviewed annually and approved by the State Air Resources Board. Projection: Teale Albers, NAD83 This shapefile can be used to identify visibility reducing particle area designations from the prior three-year period (2008-2011) in accordance with the California State Ambient Air Quality Standard. Teale Data Center GIS Lab. California Air Resources Board. (2011). Visibility Reducing Particles: California State Area Designations, 2008-2011. California Air Resources Board. Available at: http://purl.stanford.edu/hq194zr5022. Available at: http://purl.stanford.edu/hq194zr5022. The State area designations are reviewed annually and approved by the State Air Resources Board. In February 2011, the staff proposed a number of changes for ozone. The Board approved the proposed changes at a public hearing in May 2011. The Office of Administrative Law (OAL) approved and filed the 2011 State Area Designations rulemaking on September 8, 2011. The regulations became effective on October 8, 2011. Updated: 11/28/11 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: California Air Districts, 2004
Contributors:- Polygon data
- 2004
- California Air Resources Board. Planning and Technical Support Division
- Stephen P. Teale Data Center (Calif.).
Summary: The California Air Districts layer is a polygon shapefile coverage representing the California air pollution control and air quality management districts, as defined in federal and state law. See 40 CFR, Chapter I Section 81, et seq., and California Health and Safety Code, Section 40000 et seq. Air districts identify the local and regional authorities who have primary responsibility for control of air pollution from sources that are not motor vehicles. This layer shows the air district boundaries and their names as of March 2004. Air Districts are designated pursuant to federal and state statute. Air districts identify the local and regional authorities who have primary responsibility for control of air pollution from sources that are not motor vehicles. (Motor vehicles are the responsibility of the state Air Resources Board.) Teale Data Center GIS Lab. California Air Resources Board. (2004). California Air Districts, 2004. California Air Resources Board. Available at: http://purl.stanford.edu/vc226fs6069. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: California Air Basins, 2004
Contributors:- Polygon data
- 2004
- California. Air Resources Board. Planning and Technical Support Division
- Stephen P. Teale Data Center (Calif.).
Summary: The California Air Basins layer is a polygon shapefile coverage representing the 15 California air basins, as defined in state statute and regulation. This data layer shows the air basin boundaries and their names, as of March 2004. Air Basins are designated pursuant to California statute and regulation. See the California Health and Safety Code, Section 39606 et seq. and California Code of Regulations, Title 17, Section 60100 et seq. Air Basins identify regions of similar meteorological and geographic conditions and consideration for political boundary lines, and are related to air pollution and its transport. Teale Data Center GIS Lab. California Air Resources Board. (2004). California Air Basins, 2004. California Air Resources Board. Available at: http://purl.stanford.edu/pn391fn7822. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: California Counties: Air Resources Board, 2004
Contributors:- Polygon data
- 2004
- Stephen P. Teale Data Center (Calif.).
- California Air Resources Board. Planning and Technical Support Division
Summary: This polygon shapefile California represents the California county boundaries at moderate spatial resolution, aligned to match well with the ARB California Air Basins and California Air Districts polygon boundary shapefiles. This shapefile is aligned to match well with the ARB California Air Basins and California Air Districts polygon boundary shapefiles. It is not intended to replace more spatially detailed county boundary layers available elsewhere. Teale Data Center GIS Lab. California Air Resources Board. (2004) California Counties: Air Resources Board, 2004. California Air Resources Board. Available at: http://purl.stanford.edu/qy535rr9441. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: One-Hour Ozone Areas: Federal Designations, California, 2003
Contributors:- Polygon data
- 2003
- California Air Resources Board. Planning and Technical Support Division
- Stephen P. Teale Data Center (Calif.).
Summary: This polygon shapefile contains federal one-hour ozone area designations and their classifications as per 40CFR81.305, part of the National Ambient Air Quality Standard (NAAQS) which monitors pollutants in accordance with the Clean Air Act. There are three designation categories: nonattainment, unclassifiable and attainment areas. Non-attainment areas are those which are in violation of the standard. Nonattainment areas have various classifications. Each designation and classification area has an associated date field that represents the "effective" date of the action as published in 40CFR81.305. This data layer is current as of November 2003. Projection: Teale Albers, NAD83 This shapefile can be used to identify designation areas for ozone pollution attainment defined pursuant to the corresponding federal National Ambient Air Quality Standard for each pollutant as per the Clean Air Act. Teale Data Center GIS Lab. California Air Resources Board. (2003). One-Hour Ozone Areas: Federal Designations, California, 2003. California Air Resources Board. Available at: http://purl.stanford.edu/tq104yf5887. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
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Title: Federal Particulate Matter (PM10) Area Designations: California, 2003
Contributors:- Polygon data
- 2003
- California Air Resources Board. Planning and Technical Support Division
- Stephen P. Teale Data Center (Calif.).
Summary: This polygon shapefile displays particulate matter < 10 microns (PM 10) area designations pursuant to 40CFR81.305, the federal national ambient air quality standard which monitors pollutants in accordance with the Clean Air Act. There are three designation categories: nonattainment, unclassifiable and attainment areas. Non-attainment areas are those which are in violation of the standard. Nonattainment areas have various classifications. Each designation and classification area has an associated date field that represents the "effective" date of the action as published in 40CFR81.305. This data layer is current as of November 2003. Projection: Teale Albers, NAD83 Designation areas are defined purThis shapefile can be used to identify designation areas that are defined pursuant to the corresponding federal national ambient air quality standard for inhalable coarse particles (PM 10) as per the Clean Air Act.suant to the corresponding federal national ambient air quality standard for each pollutant as per the Clean Air Act. Teale Data Center GIS Lab. California Air Resources Board. (2003). Federal Particulate Matter (PM10) Area Designations: California, 2003. California Air Resources Board. Available at: http://purl.stanford.edu/gn558bp2442. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.